I believe the answer is B) How to determine the difference between right and wrong. Many medieval texts were themed off of this question. They were about great heroes defeating their foes in great battles.
Hope this helps! Please let me know if I'm wrong :)
The <span>lines from “The Raven” by Edgar Allan Poe helps to create the dark and gloomy tone of the poem:
</span><span>Once upon a midnight dreary, while I pondered weak and weary,
Over many a quaint and curious volume of forgotten lore</span>